Ariston recalls NTI and HTP gas boilers over cracking part that can cause fire and carbon monoxide risk
A dish inside the boiler can crack during a delayed ignition, letting unburned gas build up, and if it ignites the front cover can suddenly come off, risking serious injury or death from fire, carbon monoxide poisoning and impact.
What to do
Stop using the recalled boilers immediately and contact Ariston to schedule a free repair by a certified technician. If you must keep using the boiler while waiting for the repair, make sure your home has working smoke and carbon monoxide alarms.
Photos from CPSC
Photos supplied by CPSC.
Recall details
- Product
- NTI and HTP residential gas boilers
- Hazard
- The condensate dish inside the boiler can crack during a delayed ignition, allowing unburned gas to build up inside the sealed cabinet. If the gas ignites, the front cover can suddenly detach, posing a risk of serious injury or death from fire, carbon monoxide (CO) poisoning, and impact hazards.
- Injuries
- The firm has received 34 reported incidents of the condensate dish breaking, including three reports of the front cover detaching from the boiler. In one reported incident the technician servicing the boiler sustained a broken jaw.
- Units
- 4,726 (In addition, 2,261 were sold in Canada)
- Where sold
- Sold at Independent heating and plumbing contractors and wholesale distributors nationwide from May 2021 through July 2026 for between $3,200 and $7,700.
- Remedy
- Repair
- Notice last updated
- October 29, 2026
- Recall date
- October 29, 2026
The headline, summary and steps above are written in plain English from the official notice below. Identifiers are copied exactly as the agency published them. Always check the official notice before you act.
Official notice
The notice's own wording from CPSC.
NTI and HTP Brand Gas Boilers Recalled Due to Risk of Serious Injury or Death from Fire, Carbon Monoxide (CO) Poisoning and Impact Hazards; Manufactured by Ariston, formerly NTI Boilers
- Description
- This recall involves NTI brand residential gas boilers in the FTVN and TFTN model series, and HTP brand residential gas boilers in the EFTU model series. The NTI FTVN and TFTN series boilers are gray, while the HTP EFTU (Elite Fire Tube Ultra) boilers are black. The boilers are metal, rectangular units and have either NTI or HTP printed on the front. The model serial number can be found on the rating plate, located on the left-hand side of the boiler. The following models and serial number ranges are included in this recall:
- Hazard
- The condensate dish inside the boiler can crack during a delayed ignition, allowing unburned gas to build up inside the sealed cabinet. If the gas ignites, the front cover can suddenly detach, posing a risk of serious injury or death from fire, carbon monoxide (CO) poisoning, and impact hazards.
- Remedy
- Consumers should stop using the recalled boilers immediately and contact Ariston to schedule a free repair by a certified technician. Consumers who must continue using the boiler while awaiting repair should have working smoke and carbon monoxide alarms in their homes. Remedy options: Repair.
- Injuries
- The firm has received 34 reported incidents of the condensate dish breaking, including three reports of the front cover detaching from the boiler. In one reported incident the technician servicing the boiler sustained a broken jaw.
- Number of units
- 4,726 (In addition, 2,261 were sold in Canada)
- Sold at
- Sold at Independent heating and plumbing contractors and wholesale distributors nationwide from May 2021 through July 2026 for between $3,200 and $7,700.
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